CN106197392A - A kind of without spin-exchange relaxation gyroscope arrangement - Google Patents
A kind of without spin-exchange relaxation gyroscope arrangement Download PDFInfo
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- CN106197392A CN106197392A CN201610584731.4A CN201610584731A CN106197392A CN 106197392 A CN106197392 A CN 106197392A CN 201610584731 A CN201610584731 A CN 201610584731A CN 106197392 A CN106197392 A CN 106197392A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
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Abstract
The present invention relates to a kind of without spin-exchange relaxation gyroscope arrangement, by alkali metal air chamber pedestal, form without magnetoelectricity heating package base, interior vacuum base, magnetic compensation coil rack, magnetic shielding cylinder, alignment pin, stripped nut, shell, main structure, base, demagnetization bar, heat pipe base；Main structure provides for gyroscope each device parts and supports and reference for installation.Heat pipe base is used for installing heat pipe and water-cooled pipeline.Demagnetization bar is installed for magnetic shielding cylinder and is guided and demagnetization.Shell and base constitute vacuum chamber in outer vacuum chamber, magnetic compensation coil rack and interior vacuum base composition, and gyroscope internal and external environment is kept apart by two-stage vacuum.Invention components is rationally distributed, compact, reduces volume and weight, solves without spin-exchange relaxation gyroscope reference for installation problem, uses vacuum, water-cooled and heat pipe temperature control scheme to improve gyroscope precision.
Description
Technical field
The present invention relates to a kind of without spin-exchange relaxation gyroscope arrangement, each assembly layout of this structure is reasonable, compact, subtracts
The little volume and weight of gyroscope, solves the reference for installation problem without spin-exchange relaxation gyroscope, uses vacuum, water-cooled
Gyroscope precision is improved with heat pipe combination temperature control scheme.
Background technology
Along with the fast development of modern physics, since the success of self cooling atom seizure, Bose-Einstein condensation, quantum phase
Dry optical theory, and the measurement of single quantized system and key physical rationale and the new discoveries of technology such as manipulation, newly dash forward
Broken to be developed rapidly based on the theoretical quantum sciences instrument with technology of quantum regulation and control.At present, lead at high accuracy inertia
Boat field, based on the atomic spin top without spin-exchange relaxation (Spin-Exchange Relaxation-Free, SERF) technology
Spiral shell instrument surmounts the superelevation theoretical precision of existing measurement of correlation means because it has, and has obtained extensive concern both domestic and external.
At present the gyroscope arrangement of relaxation without spin-exchange of research, generally uses generic frame, required light source optical fiber from
Outside imports to inside device, causes gyroscope arrangement to be unfavorable for integrated, bulky；It addition, existing gyroscope equipment is adopted
Shielding cylinder be cylindrical multilayer screen cylinder, general after assembling use wire to carry out demagnetization, wire is wrapped in magnetic shielding cylinder
Portion, increases magnetic shielding cylinder structural complexity, and disassembly process is complicated；3rd, alkali metal air chamber, without magnetic electric heating assembly, magnetic shield
During the dead in line of cylinder and the critical components such as magnetic compensation coil, guarantee gyroscope performance reaches optimal, but existing
SERF gyroscope arrangement is fitted without benchmark, causes each parts to assemble posterior axis registration poor.In a word, existing SERF gyroscope
The version of device makes gyroscope bulky, and assembling process is complicated, and does not has unified reference for installation, is unfavorable for without certainly
The raising of rotation exchange relaxation gyroscope precision and further miniaturization.
Summary of the invention
The technology of the present invention solves problem: overcome the deficiency of existing gyroscope arrangement without spin relaxation, it is provided that a kind of group
Part is rationally distributed, the gyroscope arrangement of relaxation without spin-exchange of compact conformation, reduces volume and weight, solves and hands over without spin
Change the reference for installation problem of relaxation gyroscope, use vacuum, water-cooled and heat pipe combination temperature control scheme to reduce internal medium by outside
The interference of environmental change, improves gyroscope precision.
The technical solution of the present invention is: a kind of without spin-exchange relaxation gyroscope arrangement, including alkali metal air chamber base
Seat, without magnetoelectricity heating package base, interior vacuum base, magnetic compensation coil rack, magnetic shielding cylinder, alignment pin, stripped nut, outward
The parts such as shell, main structure, base, demagnetization bar, heat pipe base.Without magnetoelectricity heating package base by screw clamping alkali metal air chamber
Pedestal, provides reference for installation for alkali metal air chamber.Shaft hole matching is passed through with without magnetoelectricity heating package base in interior vacuum base side
Realize coaxial location, and connect with screw.Magnetic compensation coil rack is arranged on interior vacuum base the interior vacuum forming gyroscope
Chamber.Interior vacuum chamber realizes positioning, by interior vacuum relative to main structure phase place by the alignment pin being arranged on interior vacuum base
Pedestal opposite side realizes coaxial location with the shaft hole matching of main structure, is fastened in main structure by stripped nut.Demagnetization bar
Being arranged in main structure respective screw hole by end thread, magnetic shielding cylinder is multiple structure, and every layer by joining each other
Closing and realize location, magnetic shielding cylinder coordinates entirely through locating shaft datum hole corresponding with main structure cavity at the two of end and realizes determining
Position, compresses every layer of shielding cylinder by the nut being arranged on demagnetization bar.Heat pipe base is distributed by even circumferential on magnetic shielding cylinder
Hole, four location realize location, and be fastened on shell with screw.Shell and main structure are installed on base, and base is positioned at
The bottommost of gyroscope, with the outer vacuum chamber that shell constitutes gyroscope.
Described structure has inside and outside two-stage vacuum, and magnetic compensation coil rack is arranged on interior vacuum base composition gyroscope
Interior vacuum chamber.Shell is arranged on base the outer vacuum chamber forming gyroscope, and interior vacuum chamber evacuated interior outside, than outer vacuum chamber
Maintain more condition of high vacuum degree, isolate the heat exchange without magnetoelectricity heating package base with main structure.
Described demagnetization bar is arranged in main structure respective screw hole by end thread, and magnetic shielding cylinder is multiple structure, often
Layer is by cooperation realization location each other, and global facility passes through locating shaft and main structure cavity at the two of end and realizes determining
Position, compresses every layer of shielding cylinder by the nut being arranged on demagnetization bar, and demagnetization bar play the guiding role when magnetic shielding cylinder is installed, and
Degaussing coil effect is played after magnetic shielding cylinder installation.
Described interior vacuum base side is connected with without magnetoelectricity heating package base, magnetic compensation coil rack respectively, it is achieved
The location of the two and supporting, opposite side is connected with main structure, it is achieved the location of interior vacuum chamber itself, and meanwhile, interior vacuum chamber plays
Light path path and vacuum line multiplexing function.
Described main structure and base are structurally discrete, between by the low material the most ceramic, poly-four of thermal conductivity
Fluorothene plastics etc. are isolated, and are assembled into an entirety by screw attachment, and described structure can isolated base variations in temperature pair
The impact of main structure.
Present invention advantage compared with prior art is:
(1) alkali metal air chamber pedestal of the present invention is used for clamping gyroscope equipment core sensing unit.Pedestal is heated without magnetoelectricity
Supporting is provided for heating film.Magnetic compensation coil rack is used for installing magnetic shield and magnetic compensation assembly.Main structure is each device of gyroscope
Parts provide and support and reference for installation.Heat pipe base is used for installing heat pipe and water-cooled pipeline.Demagnetization bar is installed for magnetic shielding cylinder
Guide and demagnetization.Shell and base constitute vacuum chamber in outer vacuum chamber, magnetic compensation coil rack and interior vacuum base composition, two-stage
Gyroscope internal and external environment is kept apart by vacuum.Therefore said structure is rationally distributed, the top of relaxation without spin-exchange of compact conformation
Spiral shell instrument structure, reduces volume and weight, solves the reference for installation problem without spin-exchange relaxation gyroscope, use vacuum,
Water-cooled and heat pipe combination temperature control scheme reduce the interference that internal medium is changed by external environment condition, improve gyroscope precision.
(2) in the present invention, vacuum base, as the important reference component of gyroscope arrangement in the present invention, connects gyroscope master
Structure, without magnetoelectricity heat package base, alkali metal air chamber pedestal, magnetic compensation coil rack, it is achieved the system of each parts reference for installation
One, it is ensured that the assembly precision of each critical piece of gyroscope.
(3) demagnetization bar of the present invention play the guiding role when magnetic shielding cylinder is installed, and plays after magnetic shielding cylinder installation
Degaussing coil effect, beneficially gyroscope integration of compact, it is ensured that the installation accuracy of magnetic shielding cylinder, reduce assembling complexity.
(4) present invention has inside and outside two-stage vacuum, and magnetic compensation coil rack is arranged on interior vacuum base composition gyroscope
Interior vacuum chamber, shell is arranged on base the outer vacuum chamber forming gyroscope, and interior vacuum chamber evacuated interior outside, than outer vacuum
Chamber maintains higher vacuum, compared with prior art, is adequately isolated the heat exchange without magnetoelectricity heating package base with main structure,
The gyroscopic drift that suppression variations in temperature causes.It addition, interior vacuum base has light path and vacuum line multiplexing function, improve top
Spiral shell instrument structure assembly degree, reduces volume and weight.
(5) main structure of the present invention and base are discrete, and main structure is isolated by the material that thermal conductivity is low with base, and
It is connected as an entirety with screw, makes main structure be in " suspension " state at shell in the outer vacuum chamber of base composition, isolation
Base temperature changes the main structure variations in temperature caused, and reduces device thermal deformation.
(6) volume of the present invention is little, lightweight, integrated level is high, has important engineering practical value.
Accompanying drawing explanation
Fig. 1 is that the one of the present invention is without spin-exchange relaxation gyroscope arrangement sketch；
Fig. 2 be the present invention without magnetoelectricity heating package base end view drawing and axial section, wherein (a) is end view drawing, (b)
For axial section；
Fig. 3 is interior vacuum base end view drawing and the axial section of the present invention, and wherein (a) is end view drawing, and (b) is for axially to cut open
Face figure；
Fig. 4 is main structure and the axis side view of base assembly, profile and the right view of the present invention, and wherein (a) is axle
Side view, (b) is sectional view, and (c) is right view；
Fig. 5 is magnetic compensation coil rack end view drawing and the axial section of the present invention, and wherein (a) is end view drawing, and (b) is axle
To profile.
Detailed description of the invention
The present invention is embodied as structure as it is shown in figure 1, one is without spin-exchange relaxation gyroscope arrangement, including alkali metal
Air chamber pedestal 1, without magnetoelectricity heating package base 2, interior vacuum base 3, magnetic compensation coil rack 4, magnetic shielding cylinder 5, alignment pin 6,
The parts such as stripped nut 7, shell 8, main structure 9, base 10, demagnetization bar 11, heat pipe base 12.Package base is heated without magnetoelectricity
Alkali metal air chamber pedestal 1 is clamped therein by screw by 2, provides reference for installation for alkali metal air chamber.Interior vacuum base 3 is right
Side realizes coaxial location with without magnetoelectricity heating package base 2 by shaft hole matching, and connects with screw.Magnetic compensation coil rack 4
It is arranged on the interior vacuum chamber forming gyroscope on interior vacuum base 3.Interior vacuum chamber is by being arranged on the location on interior vacuum base 3
Pin 6 realizes positioning relative to main structure 9 phase place, coaxial fixed by realizing with the shaft hole matching of main structure 9 on the left of interior vacuum base 3
Position, is fastened in main structure 9 by stripped nut 7.Demagnetization bar 11 is arranged on main structure 9 respective screw hole by end thread
On, magnetic shielding cylinder 5 is multiple structure, and every layer realizes location by cooperation each other, and magnetic shielding cylinder is entirely through end
At two, locating shaft coordinates realization location with corresponding datum hole in main structure 9 cavity, by being arranged on the nut on demagnetization bar 11
Compress every layer of shielding cylinder.Heat pipe base 12 realizes location by the hole, four location of even circumferential distribution on magnetic shielding cylinder 5, and uses
Screw is fastened on shell 8.Shell 8 and main structure 9 are installed on base 10, and base 10 is positioned at the bottommost of gyroscope, with
Shell 8 constitutes the outer vacuum chamber of gyroscope.
Fig. 2 be the present invention without magnetoelectricity heating package base end view drawing and axial section, wherein (a) is end view drawing, (b)
For axial section.Include that heating film fixes cylinder 21, lower heating furnace 22 and upper heating furnace 23 without magnetoelectricity heating package base 2.Alkali
Metal air chamber pedestal 1 is arranged in the baseline trough of lower heating furnace 22, and upper heating furnace 23 is realized relative to lower heating by pin 24
The location of stove, to meet the light hole requirement of alkali metal air chamber pedestal 1, is arranged on lower heating furnace 22 by two screws 201,
Alkali metal air chamber is pressed in lower heating furnace 22, prevents alkali metal air chamber from rocking.Heating film fixes cylinder 21 by two screws
202 are fixed on heating furnace, to be heated on assembly at air chamber by heating film banding.Assemble heats package base without magnetoelectricity
2 ensure coaxial with interior vacuum base 3 by datum level 211, by through the screw in four screw clearances holes 212 be fixed on interior very
On space base seat 3.
Fig. 3 is the interior vacuum base 3 of the present invention, and wherein (a) is end view drawing, and (b) is axial section.Interior vacuum base 3
It it is one of the vitals of the present invention a kind of relaxation without spin-exchange gyroscope arrangement.It is both as magnetic compensation coil rack 4, nothing
The reference for installation of magnetoelectricity heating package base 2 grade, again as vacuum line and the path of light path.Datum hole 301 and datum level 302
Realize, without magnetic electric heating assembly location on interior vacuum base 3, realizing radial direction light hole by the alignment pin in pin-and-hole 3005
Location, by being fixed on interior vacuum base 3 through the screw of four screwed holes 3004.Magnetic compensation coil rack 4 passes through base
Fiducial axis 311 and datum level 312 realize the location on interior vacuum base 3, are realized the most logical by the alignment pin in pin-and-hole 3007
The location of unthreaded hole, by being fixed on interior vacuum base 3 through the screw in four screw clearances holes 3002.Seal groove 31 is installed
Viton seal ring so that interior vacuum base 3 forms vacuum chamber with magnetic compensation coil rack 4.Interior vacuum base passes through reference axis
321 and datum level 322 realize the location in main structure 9, realize determining of radially light hole by alignment pin in pin-and-hole 3008
Position.
Fig. 4 is main structure and the base assembly of the present invention, and (a) is axis side view, and (b) is sectional view, and (c) is that the right side regards
Figure.Base 10 is positioned at the bottom of gyroscope, and main structure 9 realizes the location relative to base 10 by locating piece 43, and passes through spiral shell
Nail links together.Two demagnetization bars 11 are arranged in main structure 9 by the screwed hole 412 in main structure 9.44 and 42 are respectively
It is arranged on the aviation plug on base 10 and SMA connector.Seal groove 41 is used for installing viton seal ring.Screw thread on base 10
Hole 45 is used for installing shell 8, constitutes the outer vacuum of described gyroscope arrangement.Datum hole 401 in main structure 9 and datum level 402
Realize magnetic shielding cylinder assembly location in main structure.Datum hole 403 and datum level 401 realize interior vacuum base 3 relative to master
The location of structure, and fixed by the stripped nut 7 being arranged on screw thread 33.46 is the vacuum valve being arranged on base 10,
For taking out outer vacuum.
Fig. 5 is the magnetic compensation coil rack 4 of the present invention, and wherein (a) is end view drawing, and (b) is axial section.Magnetic compensation line
Ring framework 4 realizes the location on interior vacuum base 3, by determining through pin-and-hole 5004 by datum hole 502 and datum level 501
Position pin realizes 4 light holes 5001 and is directed at 4 light holes on interior vacuum base 3, meets logical light requirement, and is worn by 4
Cross the screw fastening in screw clearances hole 5002.
The content not being described in detail in description of the invention belongs to prior art known to professional and technical personnel in the field.
Claims (7)
1. one kind without spin-exchange relaxation gyroscope arrangement, it is characterised in that: include alkali metal air chamber pedestal (1), add without magnetoelectricity
Hot package base (2), interior vacuum base (3), magnetic compensation coil rack (4), magnetic shielding cylinder (5), shell (8), main structure (9),
Base (10), demagnetization bar (11) and heat pipe base (12)；Described structure has inside and outside two-stage vacuum, magnetic compensation coil rack (4)
Being arranged on the upper interior vacuum chamber forming gyroscope of interior vacuum base (3), shell (8) is arranged on base (10) upper composition gyroscope
Outer vacuum chamber；Without magnetoelectricity heating package base (2) clamping alkali metal air chamber pedestal (1), provide reference for installation for alkali metal air chamber；
Interior vacuum base (3) side is connected with without magnetoelectricity heating package base (2), magnetic compensation coil rack (4) respectively, it is achieved the two
Location and supporting, opposite side is connected with main structure (9), it is achieved the location of interior vacuum chamber itself, and interior vacuum chamber plays light path path
With vacuum line multiplexing function；Demagnetization bar (11) is arranged in the screwed hole of main structure (9) by end thread；Magnetic shielding cylinder
(5) being multiple structure, every layer realizes location by cooperation each other, and global facility passes through locating shaft and master at the two of end
Structure (9) cavity realizes location, compresses every layer of shielding cylinder by the nut being arranged on demagnetization bar (11)；Heat pipe base (12) leads to
Cross magnetic shielding cylinder (5) and realize location, and be fastened on shell (8)；Shell (8) and main structure (9) are installed on base (10),
Base (10) is positioned at the bottommost of gyroscope, with the outer vacuum chamber that shell (8) constitutes gyroscope.
It is the most according to claim 1 a kind of without spin-exchange relaxation gyroscope arrangement, it is characterised in that: described interior vacuum chamber
Evacuated interior outside, maintains more condition of high vacuum degree than outer vacuum chamber, isolates without magnetoelectricity heating package base (2) and main structure (9)
Heat exchange.
It is the most according to claim 1 a kind of without spin-exchange relaxation gyroscope arrangement, it is characterised in that: described demagnetization bar
(11) it play the guiding role when magnetic shielding cylinder (5) is installed, and play degaussing coil effect after magnetic shielding cylinder (5) installation.
It is the most according to claim 1 a kind of without spin-exchange relaxation gyroscope arrangement, it is characterised in that: described interior vacuum-based
Seat (3) side realizes coaxial location with without magnetoelectricity heating package base (2) by shaft hole matching is fixing, and uses screw attachment；In
Vacuum chamber realizes positioning relative to main structure (9) phase place by the alignment pin (6) being arranged on interior vacuum base (3)；Interior vacuum
Pedestal (3) opposite side and the shaft hole matching of main structure (9) realize coaxial location, and are fastened on main knot by stripped nut (7)
On structure (9).
It is the most according to claim 1 a kind of without spin-exchange relaxation gyroscope arrangement, it is characterised in that: described main structure
(9) be structurally discrete with base (10), between isolated by the low material of thermal conductivity, and be connected by screw into one
Entirety, the impact on main structure (9) of described structure isolated base (10) variations in temperature.
It is the most according to claim 5 a kind of without spin-exchange relaxation gyroscope arrangement, it is characterised in that: described thermal conductivity is low
Material be pottery, polytetrafluoroethylplastic plastic.
It is the most according to claim 1 a kind of without spin-exchange relaxation gyroscope arrangement, it is characterised in that: described heat pipe base
(12) location is realized by the hole, four location of magnetic shielding cylinder (5) upper even circumferential distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584731.4A CN106197392B (en) | 2016-07-22 | 2016-07-22 | A kind of no spin-exchange relaxation gyroscope arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584731.4A CN106197392B (en) | 2016-07-22 | 2016-07-22 | A kind of no spin-exchange relaxation gyroscope arrangement |
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| Publication Number | Publication Date |
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| CN106197392A true CN106197392A (en) | 2016-12-07 |
| CN106197392B CN106197392B (en) | 2019-04-26 |
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| CN201610584731.4A Active CN106197392B (en) | 2016-07-22 | 2016-07-22 | A kind of no spin-exchange relaxation gyroscope arrangement |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843247A (en) * | 2017-10-20 | 2018-03-27 | 北京航空航天大学 | A kind of small-sized integrated twin shaft is without spin-exchange relaxation gyroscope arrangement |
| CN109186579A (en) * | 2018-11-02 | 2019-01-11 | 北京航空航天大学 | A kind of portable no spin-exchange relaxation atomic gyroscope structure |
| CN109596117A (en) * | 2018-10-31 | 2019-04-09 | 浙江工业大学 | A kind of atomic air chamber of no magnetic heating |
| CN110631571A (en) * | 2019-09-25 | 2019-12-31 | 北京航空航天大学 | Double-shaft spin-exchange-free relaxation gyroscope and signal detection closed-loop control method |
| CN106989759B (en) * | 2017-04-24 | 2020-01-03 | 北京航空航天大学 | Experiment platform structure of nuclear magnetic resonance gyroscope |
| CN111538072A (en) * | 2020-05-28 | 2020-08-14 | 吉林大学 | Total field magnetic measurement device suitable for underground and temperature drift suppression method |
| CN111609845A (en) * | 2020-05-07 | 2020-09-01 | 北京航空航天大学 | Integrated spin-exchange-free relaxation atomic gyroscope |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989759B (en) * | 2017-04-24 | 2020-01-03 | 北京航空航天大学 | Experiment platform structure of nuclear magnetic resonance gyroscope |
| CN107843247A (en) * | 2017-10-20 | 2018-03-27 | 北京航空航天大学 | A kind of small-sized integrated twin shaft is without spin-exchange relaxation gyroscope arrangement |
| CN107843247B (en) * | 2017-10-20 | 2021-04-20 | 北京航空航天大学 | Small-size integrated double-shaft spin-exchange-free relaxation gyroscope structure |
| CN109596117A (en) * | 2018-10-31 | 2019-04-09 | 浙江工业大学 | A kind of atomic air chamber of no magnetic heating |
| CN109186579A (en) * | 2018-11-02 | 2019-01-11 | 北京航空航天大学 | A kind of portable no spin-exchange relaxation atomic gyroscope structure |
| CN109186579B (en) * | 2018-11-02 | 2022-04-22 | 北京航空航天大学 | Portable spin-exchange-relaxation-free atomic gyroscope structure |
| CN110631571A (en) * | 2019-09-25 | 2019-12-31 | 北京航空航天大学 | Double-shaft spin-exchange-free relaxation gyroscope and signal detection closed-loop control method |
| CN110631571B (en) * | 2019-09-25 | 2021-05-14 | 北京航空航天大学 | Double-shaft spin-exchange-free relaxation gyroscope and signal detection closed-loop control method |
| CN111609845A (en) * | 2020-05-07 | 2020-09-01 | 北京航空航天大学 | Integrated spin-exchange-free relaxation atomic gyroscope |
| CN111609845B (en) * | 2020-05-07 | 2021-10-22 | 北京航空航天大学 | Integrated spin-exchange-free relaxation atomic gyroscope |
| CN111538072A (en) * | 2020-05-28 | 2020-08-14 | 吉林大学 | Total field magnetic measurement device suitable for underground and temperature drift suppression method |
| CN111538072B (en) * | 2020-05-28 | 2021-05-28 | 吉林大学 | Total field magnetic measurement device suitable for underground and temperature drift suppression method |
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|---|---|
| CN106197392B (en) | 2019-04-26 |
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